**Model No.: GL98001**
**Certificate: ISO, CE**
**Medium Applicable: Water, Oil, etc.**
**Pressure Rating: PN10, PN16, PN25 (MPa 1.0–2.5 or Class 150–300 lbs)**
**Trademark: KARFAR**
**Transport Package: Bubble Plastic Paper + Wooden Crate**
**Specification: DN40 – DN1200**
**Origin: China**
**HS Code: 84811000**
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**Building Filter Piston Type Adjustable Pressure Reducing Valve**
**MODEL NO.: GL98001**
The KARFAR model GL98001 is a multifunctional filter piston adjustable pressure reducing valve designed for automatic hydraulically-controlled operation. It adjusts the downstream pressure to a preset value using a pilot mechanism. When the downstream pressure exceeds the set point, the valve automatically closes, ensuring stable and consistent output pressure regardless of inlet fluctuations.
This valve is ideal for use in daily water supply systems, fire protection systems, and industrial water supply applications. One of its key advantages is the built-in strainer, which saves both cost and space compared to traditional hydraulic control valves and separate strainers.
**Key Features:**
- **Cost and Space Saving**: Integrated strainer reduces the need for additional components.
- **Adjustable Pressure Range**: Outlet pressure can be reduced by 10–80% of the inlet pressure.
- **Wide Application**: Suitable for water, oil, and other similar media.
- **High Reliability**: Designed with durable materials and precise engineering.
**Pressure Ratings:**
- **PN10**: Adjustment range 0.1–0.8 MPa
- **PN16**: Adjustment range 0.2–1.4 MPa
- **PN25**: Adjustment range 0.3–2.0 MPa
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**Technical Specifications Table**
| Connection Type | Shell Test | Sealing Test | Temperature Applicable | Medium Applicable |
|----------------|------------|--------------|------------------------|-------------------|
| Flange | 1.5x Nominal Pressure | 1.1x Nominal Pressure | ≤80°C | Water, Oil, etc. |
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**Material Composition**
| Component | Material Options |
|----------|------------------|
| Body & Bonnet | Cast iron, Ductile iron, Cast steel, Stainless steel |
| Disc | Brass, Carbon steel, Ductile iron |
| Seat | Brass, Stainless steel, Carbon steel |
| Sealing | NBR, EPDM, Viton |
| Stem | Stainless steel |
| Piston | Brass, Carbon steel, Ductile iron |
| Flange Dimension | ANSI B16.42, BS4504, ISO2531, ISO7005 |
| Face to Face Length | API594, BS5155, ISO5752, DIN3352 |
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**Additional Notes:**
The GL series piston actuated type can also be adapted to a diaphragm actuated type, offering flexibility in different system requirements.
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